package design.patterns.behavioral.observer;

import java.util.Observable;
import java.util.Observer;

/**
 * @author gjx
 * @version v1.0
 * @Description
 * @date 2019/4/11 9:43
 */
public class Reader implements Observer {
    @Override
    public void update(Observable o, Object arg) {
        System.out.println("---");
    }
}
